func startPulse(ccmd *cobra.Command, args []string) error {
// re-initialize logger
lumber.Level(lumber.LvlInt(viper.GetString("log-level")))
plex := plexer.NewPlexer()
if viper.GetString("mist-address") != "" {
mist, err := mist.New(viper.GetString("mist-address"), viper.GetString("mist-token"))
if err != nil {
return fmt.Errorf("Mist failed to start - %s", err.Error())
}
plex.AddObserver("mist", mist.Publish)
defer mist.Close()
}
plex.AddBatcher("influx", influx.Insert)
err := pulse.Listen(viper.GetString("server-listen-address"), plex.Publish)
if err != nil {
return fmt.Errorf("Pulse failed to start - %s", err.Error())
}
// begin polling the connected servers
pollSec := viper.GetInt("poll-interval")
if pollSec == 0 {
pollSec = 60
}
go pulse.StartPolling(nil, nil, time.Duration(pollSec)*time.Second, nil)
queries := []string{
"CREATE DATABASE statistics",
"CREATE RETENTION POLICY one_day ON statistics DURATION 8h REPLICATION 1 DEFAULT",
fmt.Sprintf("CREATE RETENTION POLICY one_week ON statistics DURATION %dw REPLICATION 1", viper.GetInt("retention")), // todo: ALTER as well?
}
for _, query := range queries {
_, err := influx.Query(query)
if err != nil {
return fmt.Errorf("Failed to query influx - %s", err.Error())
}
}
go influx.KeepContinuousQueriesUpToDate()
if viper.GetString("kapacitor-address") != "" {
err := kapacitor.Init()
if err != nil {
return fmt.Errorf("Kapacitor failed to start - %s", err.Error())
}
}
err = api.Start()
if err != nil {
return fmt.Errorf("Api failed to start - %s", err.Error())
}
return nil
}
func TestContinuousQuery(t *testing.T) {
// start cq checker
go influx.KeepContinuousQueriesUpToDate()
// give it a second to update
time.Sleep(time.Second)
// ensure insert worked
response, err := influx.Query(`SHOW CONTINUOUS QUERIES`)
if err != nil {
t.Error("Failed to QUERY influx - ", err)
t.FailNow()
}
cq := response.Results[0].Series[1].Values[0][1]
if cq != "CREATE CONTINUOUS QUERY aggregate ON statistics BEGIN SELECT mean(cpu_used) AS cpu_used, mean(ram_used) AS ram_used INTO statistics.one_week.aggregate FROM statistics.one_day./.*/ GROUP BY time(1m), host END" {
t.Error("Failed to UPDATE CONTINUOUS QUERY influx - mismatched create statement")
fmt.Printf("%+q\n", cq)
}
}